Fiberglass layered between steel and aluminum
An item composed of one or more materials, molded, compressed, and/or baked into a rigid covering of irregular shapes and sizes. it is designed to cover air ducts and/or air duct fittings used in air conditioning, heating, cooling, pressurizing and de-icing systems to restrict the dissipation of heat. it may completely or partially encase the item for which designed. it may be furnished with or without fillers, cement, and/or separate or attached accessories for installation, (excluding flexible air duct covering and rigid pipe and pipe fitting coverings used in construction and building materials). Excludes insulation blanket, thermal, aircraft; insulation pipe fitting covering, thermal; and insulation sleeving, thermal.
Classification: Other parts of airplanes or helicopters for use in military aircraft (excludes propellers, rotors, undercarriages, and parts thereof)
NSN 5935-01-451-9005
NSN 5905-01-345-9923
NSN 6130-01-500-8281
NSN 5895-01-417-5601
NSN 4140-01-270-1067
NSN 5855-01-470-9403
NSN 5950-00-964-6744
NSN 6150-00-051-0404
NSN 6685-01-486-7795
NSN 5965-01-024-3532
NSN 5855-01-398-9548
NSN 6650-00-098-6128